MELTING POINT: 3,127°C BOILING POINT: 5,303°C DENSITY : 22.590 g/cm 3 MOST COMMON IONS : OsCl 6 3− , OsCl 6 2− The element osmium was discovered in 1804 by English chemist Smithson Tennant (1761–1815) in the black residue that remained after crude platinum was dissolved ...
History and properties In 1804, Smithson Tennant discovered element number 76, which he named osmium (Os). Osmium is one of the six platinum group elements (PGE). The bluish-white metal (hexagonal close-packed) has a melting point of 3318 K, a boiling point of 5300 K and a density of...
Osmium is silvery white, hard transition metals with a high melting point. osmium is one of the rarest elements on earth. Chemical Properties Bluish-white lustrous metal; brittle and fairly hard; close-packed hexago- nal crystal system; density 22.48 g/cm3; Moh’s hardness 7.0; melts at ...
It is the densest of all the elements. (Although osmium’s density is very similar to iridium’s, osmium’s is slightly higher – both measured and calculated. Calculated: Osmium 22.587 ± 0.009 g/cm3& Iridium: 22.562 ± 0.009 g/cm3at 20OC.See data source.) Osmium has the highest melt...
Melting point: 3306 KBoiling point: 5285 KDensity[kg/m3]: 22610Molar volume: 8.42 × 10-6 m3/molProtons/Electrons: 76Neutrons: 114Shell structure: 2,8,18,32,14,2Electron configuration: [Xe]4f145d66s2Oxidation state: 3,4Crystal structure: hexagonal Discovered by S. Tenant in ...
narrowly defeating iridium.[2] Calculations of density from the space lattice may produce the most reliable data for these elements, giving a density of 22.562±0.009 g/cm3for iridium versus 22.587±0.009 g/cm3for osmium.[3] The extraordinary density of osmium is a consequence of the lanthanide...
Density 22.5 g/cm3 0.813 lb/in3 Melting point 3050 °C 5520°F Boiling point 5012°C 9054°F Mechanical Properties The mechanical properties of osmium are tabulated below. Properties Metric Imperial Tensile strength 1000 MPa 145000 psi Poisson’s ratio 0.25 0.25 Modulus of elasticity 560 GPa 812...
Melting Point 3033 °C Boiling Point 5012 °C Density 22.59 g/cm3 Solubility in H2O N/A Poisson's Ratio 0.245 Young's Modulus 548 GPa Thermal Conductivity 87.6 W/(m·K) Thermal Expansion 5.1 µm/(m·K) (25 °C) Electrical Resistivity 81.2 nΩ·m (0 °C) Electronegati...
Density 22.61 g/cm3(lit.) Melting Point 3045 °C(lit.) TSCA Yes Appearance sponge Solubility 不溶于冷水、氨水,微溶于硝酸。 别名和识别编码 Chemical Name Osmium Powder, -200 Mesh (Metals Basis) CAS Number 7440-04-2 PubChem Substance ID 23937 EC Number 231-114-0 MDL Number MFCD00011147 ...
osmium hexafluoride (CAS 13768-38-2) information, including chemical properties, structure, melting point, boiling point, density, formula, molecular weight, uses, prices, suppliers, SDS and more, available at Chemicalbook.